GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Quick Verdict

The Radeon RX 7900 XTX is dramatically faster than the Radeon RX 6800, leading by roughly 81% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.

Maximum Capacity Reached. Remove a model to add another. (2/2)

VS
Price
€1,186
Performance
31%
VRAM
16 GB GDDR6
Key Specs Advantage

Comparable or lower specs

AMD
Radeon RX 7900 XTX
Price
€958
Performance
56%
VRAM
24 GB GDDR6
Key Specs Advantage
+88% Bandwidth (960 GB/s vs 512 GB/s)
+60% Stream Processors (6,144 vs 3,840)
+60% Ray Accelerators (96 vs 60)

Radeon RX 7900 XTX vs Radeon RX 6800: In-Depth Breakdown

Performance: Radeon RX 7900 XTX vs Radeon RX 6800

The Radeon RX 7900 XTX is dramatically faster, around 81% ahead of the Radeon RX 6800. That gap is enough to move it up a tier: the Radeon RX 7900 XTX is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6800 is better matched to 1440p. The Radeon RX 7900 XTX packs 6,144 stream processors versus 3,840 on the Radeon RX 6800.

Price & Value

Right now the Radeon RX 7900 XTX starts at $958 EUR against $1,186 EUR for the Radeon RX 6800. Because it's both faster and competitively priced, the Radeon RX 7900 XTX wins on performance-per-dollar by about 124%. The Radeon RX 7900 XTX is trading below its $999 EUR MSRP — a genuine deal. The Radeon RX 6800 still sits about $607 EUR above its $579 EUR MSRP.

Power & Efficiency

The Radeon RX 6800 pulls less power (250W vs 355W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7900 XTX draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern RDNA 3 architecture on a TSMC N5 process is part of why it does more with each watt.

VRAM & Future-Proofing

With 24GB against 16GB, the Radeon RX 7900 XTX has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6800's 16GB can fall short. The Radeon RX 7900 XTX's memory is also faster — 960 GB/s versus 512 GB/s (384-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.

Generation & Longevity

The Radeon RX 7900 XTX is roughly 2 years newer than the Radeon RX 6800 (RDNA 3 vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.

Which should you buy: Radeon RX 6800 or Radeon RX 7900 XTX?

The Radeon RX 7900 XTX is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 6800 if you find it at a steep discount.

Frequently Asked Questions

Is the Radeon RX 7900 XTX better than the Radeon RX 6800?

The Radeon RX 7900 XTX is dramatically faster, roughly 81% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the Radeon RX 6800 or the Radeon RX 7900 XTX?

The Radeon RX 7900 XTX is the better 4K option — it's comfortable at 4K with upscaling and native 1440p, and its 24GB of VRAM helps with 4K textures.

Is the Radeon RX 6800 worth the extra $228 EUR over the Radeon RX 7900 XTX?

Only if you need the extra performance or features; on pure value the Radeon RX 7900 XTX comes out ahead.

Does the Radeon RX 7900 XTX have enough VRAM advantage to matter?

Its 24GB (vs 16GB) gives real headroom for 4K, heavy texture mods, and creative/AI work. At 1080p the gap matters less.

Technical Specifications Comparison

Architecture & Cores

SpecificationRadeon RX 6800Radeon RX 7900 XTX
ArchitectureRDNA 2RDNA 3
Process NodeTSMC N7TSMC N5
CUDA Cores (Stream Processors / Stream Processors)3,8406,144
Ray Tracing Cores6096
Tensor / AI Cores192

Clock Speeds

SpecificationRadeon RX 6800Radeon RX 7900 XTX
Base Clock1,700 MHz1,900 MHz
Boost Clock2,105 MHz2,500 MHz

Memory

SpecificationRadeon RX 6800Radeon RX 7900 XTX
VRAM Capacity16 GB24 GB
Memory TypeGDDR6GDDR6
Memory Bus256-bit384-bit
Memory Speed16 Gbps20 Gbps
Bandwidth512 GB/s960 GB/s

Connectivity & Power

SpecificationRadeon RX 6800Radeon RX 7900 XTX
InterfacePCIe 4.0 x16PCIe 4.0 x16
TDP250 W355 W
Power Connectors2x 8-pin2x 8-pin
ReleasedNov 2020Nov 2022